To follow or obey the custom, practice, or rules (especially of a religion).
To take note of and celebrate (a holiday or similar occurrence); to follow (a type of time or calendar reckoning).
To notice or view, especially carefully or with attention to detail.
To comment on something; to make an observation.
To decline a request or demand, forbear; to withhold permission.
To melt again.
To decline (a request or demand).
To throw back, or cause to keep back (as the centre, a wing, or a flank), out of the regular alignment when troops are about to engage the enemy.
Collectively, items or material that have been discarded; rubbish, garbage.
Discarded, rejected.